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Clomid and Conceiving Twins: What Are Your Probabilities?

Fertility medication have a status for inflicting a number of pregnancies. However for each 20 pregnancies conceived with Clomid, just one will end in twins. Clomid (clomiphene), a capsule taken by mouth to induce ovulation, causes twin pregnancies between 5% and 12% of the time. That is fewer than one in 10 pregnancies. Your odds of conceiving triplets (or extra) on Clomid is even decrease: lower than 1% (lower than one in 100 pregnancies).

When you’re taking Clomid, you might be nervous (or excited) in regards to the prospect of getting two or extra infants without delay. Nevertheless, these newsworthy high-order a number of tales are extra doubtless with injectable fertility medication which can be used throughout intrauterine insemination (IUI) or in-vitro fertilization (IVF) therapies.

Verywell / Alexandra Gordon


Clomid and Elevated Possibilities of Multiples

The ovaries comprise tons of of 1000’s of follicles and every follicle incorporates immature egg cells. As soon as each month, a number of follicles start a strategy of growth.

Normally, just one follicle totally develops and releases an egg. It’s because as soon as a follicle turns into mature sufficient by itself, the follicle releases hormones into the bloodstream that sign the physique to decelerate the manufacturing of egg-stimulating hormones.

Clomid works by tricking the physique into bumping up egg-stimulating hormones, inflicting the follicles within the ovaries to proceed to mature. This, in flip, will increase the probability that a couple of egg will develop to maturity and be launched throughout ovulation.

Most twins conceived with Clomid won’t be an identical. Throughout scientific trials of dual pregnancies, one in 5 have been an identical twins and 80% of the dual pregnancies have been fraternal twins (not an identical). Clomid will increase your odds of conceiving twins as a result of your ovaries might ovulate a couple of egg. Equivalent twins come from one egg— not two.

Different Components That Up the Odds Having Twins

Fertility medication aren’t the one reason behind a number of pregnancies. Even with out Clomid, your odds of getting pregnant with a couple of child enhance relying on components similar to your age, top, weight, and household historical past.

Utilizing a better dosage than mandatory may enhance the danger of getting twins, however mockingly, utilizing a better dosage of Clomid than you want may decrease your probabilities of getting pregnant in any respect. The next dose may cause cervical mucus to be thicker, which makes it more durable for sperm to journey via.

For that motive, when a physician prescribes Clomid, they are going to begin with the bottom dose. They are going to solely enhance the dose if the preliminary dose shouldn’t be sufficient to set off ovulation.

Ladies taking Clomid who do not have bother ovulating or getting pregnant, in addition to girls youthful than 25, may need an elevated danger of getting pregnant with twins whereas taking Clomid.

How Will I Know If I Conceived Twins?

Signs of early being pregnant with twins aren’t any totally different than singleton pregnancies. Having an early constructive end result on a being pregnant take a look at or excessive ranges of hCG on a blood take a look at are additionally not dependable indicators of a twin being pregnant. You will not know if you happen to conceived twins till you will have an ultrasound. Nevertheless, the ultrasound carried out previous to ovulation might permit your physician to guess your odds of conceiving twins primarily based on the variety of mature follicles.

Relying in your well being historical past, your physician might order an ultrasound on the six-week mark (two weeks after you miss your interval)—although this could be too early to detect twins. A twin being pregnant must be seen by the eighth week, nonetheless.

What Ought to I Anticipate With a Twin Being pregnant After Clomid?

When you get pregnant with twins after taking Clomid, do not panic. Good prenatal care can cut back the chances of issues. Help from family and friends will help you profit from this double blessing.

You could or might not have to see a high-risk OB specialist if you’re anticipating twins. A twin being pregnant could be adopted by your common OB-GYN. They may refer you to a specialist if issues come up.

Your physician may need to monitor your twin being pregnant nearer than they might with a singleton being pregnant. There are elevated dangers for each the dad or mum and infants with a twin being pregnant, and having a historical past of infertility can imply an elevated danger for preterm labor.

Your physician will doubtless order an ultrasound for the final weeks of the primary trimester to substantiate whether or not the twins are sharing a placenta or sharing an amniotic sac.

The overwhelming majority of dual pregnancies conceived with Clomid are fraternal twins, which implies they are going to have their very own placenta and personal sac. Nevertheless, an identical twins may also be conceived with fertility medication. Both means, it is necessary that you’ve an early ultrasound to find out in case your twins are monochorionic or monoamniotic.

Twins who share a placenta however have separate sacs are generally known as monochorionic twins. Monochorionic twins are an identical twins and include increased dangers. As much as 70% of an identical twins share a placenta.

Twins who share a placenta and an amniotic sac are generally known as monochorionic-monoamniotic. This happens in lower than 1% of dual pregnancies and is considerably riskier than a monochorionic twin being pregnant.

Verywell Household makes use of solely high-quality sources, together with peer-reviewed research, to help the details inside our articles. Learn our editorial course of to study extra about how we fact-check and hold our content material correct, dependable, and reliable.
  1. A number of being pregnant and beginning: Twins, triplets, and excessive order multiples. American Society for Reproductive Medication.

  2. McDonald S, Murphy Ok, Beyene J, Ohlsson A. Perinatal outcomes of in vitro fertilization twins: A scientific overview and meta-analyses. Am J Obstet Gynecol. 2005;193(1):141-152. doi:10.1016/j.ajog.2004.11.064

  3. U.S. Meals and Drug Administration. CLOMID® (clomiphene citrate tablets USP). Sanofi-Aventis U.S. LLC.

  4. Glinianaia SV, Rankin J, Khalil A, et al. Prevalence, antenatal administration and perinatal end result of monochorionic monoamniotic twin being pregnant: A collaborative multicenter examine in England, 2000-2013. Ultrasound Obstet Gynecol. 2019;53(2):184-192. doi:10.1002/uog.19114


Extra Studying

  • American Society of Reproductive Medication. Drugs for inducing ovulation: A information for sufferers.

  • Sanofi-Aventis. Clomid drug data sheet.

  • U.S. Nationwide Library of Medication. Clomiphene.


By Rachel Gurevich, RN

Rachel Gurevich is a fertility advocate, writer, and recipient of The Hope Award for Achievement, from Resolve: The Nationwide Infertility Affiliation. She is knowledgeable member of the Affiliation of Well being Care Journalists and has been writing about girls’s well being since 2001. Rachel makes use of her personal experiences with infertility to put in writing compassionate, sensible, and supportive articles.

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